Fix frontend connection: use relative API path

frontend/js/app.js

@@ -198,52 +198,6 @@ function escapeHtml(unsafe) {
     .replace(/'/g, "'");
 }
 
-// function renderContent(content) {
-//   // sanitize, then convert simple markdown + lists + newlines to HTML
-//   let html = escapeHtml(content);
-
-//   // bold **text**
-//   html = html.replace(/\*\*(.+?)\*\*/g, "<strong>$1</strong>");
-
-//   // split into lines and convert to paragraphs / lists
-//   const lines = html.split(/\r?\n/);
-//   let out = "";
-//   let inUl = false;
-//   let inOl = false;
-
-//   for (let rawLine of lines) {
-//     const line = rawLine.trim();
-//     if (line === "") {
-//       // blank line -> close lists and add spacing
-//       if (inUl) { out += "</ul>"; inUl = false; }
-//       if (inOl) { out += "</ol>"; inOl = false; }
-//       out += "<p></p>";
-//       continue;
-//     }
-
-//     if (/^[-•]\s+/.test(line)) {
-//       if (!inUl) { if (inOl) { out += "</ol>"; inOl = false; } out += "<ul>"; inUl = true; }
-//       out += `<li>${line.replace(/^[-•]\s+/, "")}</li>`;
-//       continue;
-//     }
-
-//     if (/^\d+\.\s+/.test(line)) {
-//       if (!inOl) { if (inUl) { out += "</ul>"; inUl = false; } out += "<ol>"; inOl = true; }
-//       out += `<li>${line.replace(/^\d+\.\s+/, "")}</li>`;
-//       continue;
-//     }
-
-//     // normal paragraph line
-//     if (inUl) { out += "</ul>"; inUl = false; }
-//     if (inOl) { out += "</ol>"; inOl = false; }
-//     out += `<p>${line}</p>`;
-//   }
-
-//   if (inUl) out += "</ul>";
-//   if (inOl) out += "</ol>";
-//   return out;
-// }
-
 function renderContent(content) {
   let html = escapeHtml(content);
   html = html.replace(/\*\*(.+?)\*\*/g, "<strong>$1</strong>");
@@ -286,8 +240,6 @@ function renderContent(content) {
 }
 
 
-
-
 function addMessageToUI(content, sender, sources = null) {
     const messageDiv = document.createElement('div');
     messageDiv.className = `message ${sender}`;

main.py

@@ -11,12 +11,18 @@ from agent import SupportAgent
 
 # Loguru Setup
 logger.remove()
-logger.add(sys.stdout, format="<green>{time}</green> | <level>{message}</level>", level="INFO")
+logger.add(sys.stdout, format="<green>{time:YYYY-MM-DD HH:mm:ss}</green> | <level>{level}</level> | {message}", level="INFO")
 
 @asynccontextmanager
 async def lifespan(app: FastAPI):
     logger.info("Initializing SmartCoffee Agent for Hugging Face...")
-    app.state.agent = SupportAgent()
+    try:
+        # Initialize agent once and store in app state
+        app.state.agent = SupportAgent()
+        logger.success("SupportAgent successfully initialized.")
+    except Exception as e:
+        logger.error(f"Critical Startup Error: {e}")
+        # We don't raise here to allow the container to stay up so you can see logs
     yield
     logger.info("Shutting down...")
 
@@ -30,14 +36,27 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
-# Replaces Nginx /api/ proxy logic
+# 1. ADDED: Health Check Route (Fixes the 404 error)
+@app.get("/health")
+async def health():
+    return {"status": "healthy", "time": time.time(), "agent_loaded": hasattr(app.state, 'agent')}
+
+# 2. Metrics Route
+@app.get("/metrics")
+def metrics():
+    return Response(generate_latest(), media_type=CONTENT_TYPE_LATEST)
+
+# 3. Core Chat API (Check that frontend sends 'question' and 'session_id')
 @app.post("/api/v1/chat", response_model=ChatResponse)
 async def chat(request: ChatRequest):
     if request.session_id == "default":
         request.session_id = f"hf_{uuid.uuid4().hex[:12]}"
     
+    if not hasattr(app.state, 'agent'):
+        raise HTTPException(status_code=503, detail="Agent logic is still initializing or failed to load.")
+    
     try:
-        # Note: We use the 700s timeout logic from your nginx.conf here
+        # Calls the .run() method you shared in your agent.py
         result = app.state.agent.run(request.question, session_id=request.session_id)
         
         return ChatResponse(
@@ -47,13 +66,13 @@ async def chat(request: ChatRequest):
             timestamp=result.get("timestamp", time.time())
         )
     except Exception as e:
-        logger.error(f"Chat Error: {e}")
-        raise HTTPException(status_code=500, detail="Internal Server Error")
+        logger.error(f"Chat Execution Error: {e}")
+        raise HTTPException(status_code=500, detail=str(e))
 
-@app.get("/metrics")
-def metrics():
-    return Response(generate_latest(), media_type=CONTENT_TYPE_LATEST)
+# 4. Sync Route (Add if your JS CONFIG.API_ENDPOINT still uses /chat/sync)
+@app.post("/api/v1/chat/sync", response_model=ChatResponse)
+async def chat_sync(request: ChatRequest):
+    return await chat(request)
 
-# Replaces Nginx / root and static asset caching
-# This must be at the BOTTOM so it doesn't override /api/ routes
+# 5. Static Files (MOUNTED LAST to prevent route hijacking)
 app.mount("/", StaticFiles(directory="frontend", html=True), name="static")